The impact of action plans on habit and intention strength for physical activity in a web-based intervention: is it the thought that counts? - Rebar, Amanda L.; Williams, Rebecca; Short, Camile E.; Plotnikoff, Ronald; Duncan, Mitch J.; Mummery, Kerry; Alley, Stephanie; Schoeppe, Stephanie; To, Quyen; Vandelanotte, Corneel (Psychology & Health, 2025)